Russian Officer's Navy Black Wool Greatcoat

Russian / Soviet Officer's Navy Black Wool Greatcoat as worn by Russian marines who took part in the battle of Leningrad (see black&white photographs). The greatcoat has a double row of five buttons (the top 2 buttons are missing) and the greatcoat also has a single metal hook and eye at the neckline, see photos. The greatcoat is not visible maker marked or dated, the materials and construction are all correct. The greatcoat is in overall very good condition. Rare original wartime Russian Officer's Marines greatcoat in good condition!